What is the Least Common Multiple of 51320 and 51328?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least Common Multiple of 51320 and 51328 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51320 and 51328, than apply into the LCM equation.

GCF(51320,51328) = 8
LCM(51320,51328) = ( 51320 × 51328) / 8
LCM(51320,51328) = 2634152960 / 8
LCM(51320,51328) = 329269120

Least Common Multiple (LCM) of 51320 and 51328 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51320 and 51328. First we will calculate the prime factors of 51320 and 51328.

Prime Factorization of 51320

Prime Factorization of 51328

Now multiplying the highest exponent prime factors to calculate the LCM of 51320 and 51328.

LCM(51320,51328) = 2⁷ × 5¹ × 1283¹ × 401¹
LCM(51320,51328) = 329269120